ipvs - remove exact flag, fix to handle non interger values
snmpinterface - fix typo. fix SNMP value name to indicate 64 bit.
Merge pull request #275 from TinLe/11dd1bbfcbc088ee9bb7aabb6a507bdbeda751c1

Fix to snmpinterface - typo and updated SNMP name for 64 bit values.
Re #275, Try to automatically detect if we can use --exact or not, also some pep8 fixes